private void When(PlayerScoreUpdated e)
{
_shots[e.ShotNumber] = e.Points;
}
private void When(PlayerScoreUpdated e)
{
var old = _shots.Single(x => x.PlayerName.Equals(e.PlayerName) && x.ShotNumber == e.ShotNumber);
_shots.Remove(old);
_shots.Add(new Shot(e.PlayerName, e.ShotNumber, e.Points));
}